NY Fed's Perli Warns Uncertainty Is Affecting Government Bond Market — What It Means for US Treasuries and Investors

New York / Fixed Income Desk, March 26, 2026 — Roberto Perli, the manager of the Federal Reserve Bank of New York's System Open Market Account (SOMA) and one of the most closely watched voices on the technical functioning of US financial markets, has issued a notable warning that elevated uncertainty is adversely affecting the functioning and liquidity of the US government bond market. Perli's comments — delivered in an official capacity and closely followed by bond traders, portfolio managers, and central bank watchers worldwide — have drawn significant attention to growing concerns about the health of the world's most important fixed income market at a time of exceptional macroeconomic and geopolitical complexity.

Who Is Roberto Perli and Why Do His Words Matter?

Roberto Perli serves as the manager of the System Open Market Account (SOMA) at the Federal Reserve Bank of New York — a role that places him at the operational heart of the Federal Reserve's market interventions, open market operations, and balance sheet management activities. In this capacity, Perli is directly responsible for overseeing the New York Fed's day-to-day interactions with financial markets — including the purchase and sale of US Treasury securities and other assets that implement the Federal Open Market Committee's (FOMC) monetary policy decisions.

Unlike many Federal Reserve officials whose public comments focus primarily on the broader macroeconomic outlook and interest rate policy direction, Perli speaks with particular authority and specificity about the technical plumbing of financial markets — the mechanics of market liquidity, dealer intermediation capacity, repo market functioning, and the operational efficiency of the US Treasury market. When Perli flags concerns about government bond market functioning, the fixed income community listens with particular attention, because his vantage point gives him visibility into market dynamics that most outside observers simply do not have.

What Exactly Did Perli Say About the Government Bond Market?

In his latest public communication, Perli highlighted that the current environment of elevated uncertainty — spanning macroeconomic policy uncertainty, geopolitical risk, and uncertainty about the Federal Reserve's own future policy path — is creating measurable stress in the functioning of the US government bond market. Specifically, Perli's comments pointed to several dimensions of market functioning that have been affected by the uncertainty environment.

Bid-ask spreads in the Treasury market — a key measure of market liquidity and the cost of executing bond transactions — have been widening beyond normal ranges, indicating that market makers and dealers are less willing or able to provide tight two-sided markets for US government securities. Market depth — the volume of buy and sell orders available at prices close to the current market rate — has been thinner than historical norms, meaning that even moderate-sized transactions are moving prices more than would be expected in a well-functioning market. Intraday price volatility in Treasury securities has also been elevated, creating challenges for institutional investors who rely on the Treasury market's traditional stability and predictability for portfolio management, hedging, and collateral purposes.

What Is Causing the Uncertainty Affecting Bond Markets?

The uncertainty that Perli identifies as affecting the government bond market is multi-dimensional and stems from several converging sources that have created an unusually complex operating environment for fixed income markets in early 2026.

First and most fundamentally, there is significant uncertainty about the Federal Reserve's own monetary policy trajectory. With US inflation proving stickier than the Fed had hoped — remaining above the 2% target despite months of restrictive monetary policy — and the US labour market showing mixed signals about its resilience, the market's confidence in its ability to predict the timing and magnitude of future Fed rate cuts has been significantly eroded. This policy uncertainty creates a challenging environment for Treasury market participants who must price bonds based on expectations of future short-term interest rates — and when those expectations are highly uncertain and volatile, bond prices and yields become correspondingly unstable.

Second, geopolitical uncertainty — particularly around the evolving US-Iran situation, broader Middle East tensions, and ongoing US-China trade friction — has been injecting risk premium into global financial markets, including the Treasury market. While US Treasuries traditionally benefit from safe-haven demand during geopolitical stress periods, the current environment has at times created contradictory pressures — with some investors simultaneously seeking the safety of Treasuries while others are selling them to raise liquidity for other portfolio needs.

Third, US fiscal policy uncertainty — including ongoing debate about the federal debt ceiling, the trajectory of government spending, and the long-term sustainability of the US fiscal position — has created an additional layer of uncertainty about the future supply of Treasury securities and the credit worthiness assessment underlying demand for US government bonds. The scale of US government borrowing requirements in 2026 is placing significant demands on the Treasury market's absorption capacity, raising questions about whether dealer balance sheets and investor demand are adequate to smoothly absorb the continuing flow of new Treasury issuance without periodic disruptions.

For comprehensive, authoritative data on US Treasury market functioning — including bid-ask spread metrics, market depth statistics, trading volume data, and liquidity indicators that provide quantitative context for the concerns Perli has raised — the Federal Reserve Bank of New York's official website publishes detailed market monitoring reports, SOMA manager's reports, and Treasury market commentary that are essential reading for fixed income professionals and investors tracking the health of US government bond markets.

The Federal Reserve's Role as Market Stability Guardian

Perli's public comments about Treasury market functioning serve an important dual purpose. On one level, they are a factual description of current market conditions — providing transparency about the stress the NY Fed is observing in the markets it monitors most closely. On another level, they function as a carefully calibrated signal to market participants that the Federal Reserve is aware of, and attentive to, the deterioration in Treasury market liquidity — and is prepared to deploy its considerable toolkit to support market functioning if conditions deteriorate further.

The Federal Reserve has demonstrated in previous episodes of Treasury market stress — most notably in March 2020 during the COVID-19 pandemic-triggered liquidity crisis — that it is both willing and capable of intervening decisively to restore orderly market conditions through large-scale Treasury purchases and other liquidity-supporting operations. Perli's comments serve as a reminder to market participants of this backstop capacity, which in itself can have a stabilising effect by reducing the fear of disorderly market breakdown that can become self-fulfilling if left unaddressed.

Implications for US Treasury Yields and Bond Market Investors

For investors holding or managing US Treasury securities or broader fixed income portfolios, Perli's warning about government bond market uncertainty has several important practical implications. In the near term, elevated Treasury market volatility and reduced liquidity mean that transaction costs for bond trades are higher than normal — investors should expect wider bid-ask spreads and potentially greater price impact when executing large Treasury positions, and should factor these costs into their portfolio management decisions.

The uncertainty about the Fed's policy path also means that US Treasury yields are likely to remain volatile in the near term — moving sharply in response to each new piece of economic data, Fed communication, or geopolitical development that causes the market to reassess its interest rate expectations. This yield volatility creates both risks and opportunities for active fixed income investors — with those who correctly anticipate the direction of policy changes able to generate meaningful alpha, while those with more passive or directional exposures face higher mark-to-market volatility in their portfolios.

For longer-term strategic investors — including pension funds, insurance companies, and sovereign wealth funds that hold US Treasuries as core safe-haven and liability-matching assets — Perli's comments reinforce the importance of maintaining adequate liquidity buffers and avoiding over-concentration in positions that may be difficult to exit smoothly if Treasury market liquidity continues to deteriorate. Diversification across Treasury maturities and consideration of alternative high-quality fixed income instruments may be prudent risk management responses to the current market functioning environment.

The Bigger Picture — Treasury Market Health as a Global Concern

The functioning of the US Treasury market is not merely a domestic financial concern — it is a matter of global systemic importance. US Treasuries serve as the world's primary reserve asset, the benchmark against which virtually all other fixed income instruments are priced, the most widely used collateral in global financial transactions, and the safe-haven destination to which investors across the world flee during periods of financial stress. Any sustained deterioration in the liquidity and efficiency of the Treasury market therefore has consequences that radiate far beyond US borders — affecting the cost and availability of credit globally, the functioning of foreign exchange markets, and the stability of financial systems in countries whose banking and investment systems are deeply integrated with the US dollar and Treasury ecosystem.

Perli's warning is therefore a signal that deserves attention not just from US-focused bond investors but from financial market participants worldwide who depend — whether they fully appreciate it or not — on the smooth and efficient functioning of the world's most important government bond market.